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An hour-long tower defense game. The clock strikes 13 AM, which means that the Visitors are coming to your house. Place a variety of ghosts to defend yourself and to light up the darkness. Can you survive for one hour?
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Train Fest ends
An hour-long tower defense game. The clock strikes 13 AM, which means that the Visitors are coming to your house. Place a variety of ghosts to defend yourself and to light up the darkness. Can you survive for one hour?
The clock should have gone from 12:59 AM to 1 AM. However, it now shows 13 AM, an hour that shouldn’t exist. An eye has appeared on your computer screen, informing you that you’re about to receive visitors and that you must stop them from entering your home for one hour. Your only means of defense is a security program on your computer that lets you view a security camera feed and deploy holographic ghosts capable of making the visitors disappear. Throughout the story, you’ll speak with the strange eye on your screen while trying to survive through this impossible hour.
The game is a tower defense title, a type of strategy game where you place units to defend a location. In this case, you place ghosts in a hallway to protect your home. There are different types of ghosts that unlock as you progress. You start with the Luminous Ghost, which lights up the hallway and generates plasma. When a ghost turns black, you can click on it to gain one plasma point. You’ll need to spend plasma points to place any kind of ghost. Another ghost you begin with is the Orboo, which shoots energy orbs at the visitors to damage them. Place Orboos farther from the visitors so they can attack from a distance. Keep in mind that if a visitor touches a ghost, the ghost disappears, so it’s riskier to place them near the end of the hallway.
The game is divided into 12 levels, each lasting 5 minutes. You start every level with just one plasma point and no ghosts placed in the hallway. Visitors appear throughout each level, and as time passes, they become tougher and more numerous. You don’t need to destroy them all, you just have to survive for 5 minutes, though that usually means defeating as many of them as possible. If a visitor reaches your house (the end of the hallway), you lose and must restart the level from the beginning. The game auto-saves your progress, so even though it’s a short videogame, you can play it across multiple sessions without worrying about losing your progress.
Lowest tracked price: CA$1.19 (Jul 7, 2026) · current best: CA$2.39.
Right now the cheapest offer for 13 AM is CA$2.39 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for 13 AM is CA$1.19 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Create a free price alert on this page and KingsPrice will email you when 13 AM drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
